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  • Attitude determination and control system for EyasSAT for Hardware In the Loop application 

    Groenewald, Christoffel Johannes (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: An Attitude Determination and Control System (ADCS) demonstrator and testing platform was required for satellite engineering students. The ADCS demonstrator and testing platform will allow students to ...
  • Using Micro-Doppler radar signals for human gait detection 

    Alzogaiby, Adel (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: This work entails the development and performance analysis of a human gait detection system based on radar micro-Doppler signals. The system consists of a tracking functionality and a target classifier. ...
  • IQ reflected power canceller for an FMCW radar 

    Stofberg, Anneke (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: Large close range environmental reflections or poor isolation between the transmit and receive paths of an FMCW radar can overload the receiver. The In phase and Quadrature phase (IQ) Reflected Power ...
  • RFI mitigation in radio astronomy 

    Thompson, Nicholas Christopher (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: Technical advances in electromagnetics, signal processing and processing power have led to a significant increase in sensitivity and accuracy in radio telescopes. With this increase in sensitivity, radio ...
  • Correlation between SQUID and Fluxgate Magnetometer Data-sets for Geomagnetic Storms: Hermanus 

    Matladi, Thabang-Kingsley (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: Superconducting QUantum Interference Devices (SQUIDs) are fairly recent types of magnetometers that use flux quantization combined with Josephson tunnelling to detect very faint (< 10¯15 T) magnetic ...
  • Increasing distributed generation penetration when limited by voltage regulation 

    Nye, Jonathan Mark (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: This work investigated the influence of photo-voltaic generators on the voltage control of distribution feeders and the methods that can be used to increase the maximum penetration levels of these feeders. ...
  • Design and construction of a modem for satellite use 

    Van Wyk, Hendrik Petrus Daniel (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: In this thesis the design and testing of the baseband components of a modem intended for use as a telemetry and control link for a low earth orbit satellite is presented. This includes parts of the ...
  • Development of a radiation resistant communication node for satellite sub-systems 

    Thesnaar, Emile Jacobus (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: Within a complex electronic system, sub-system communication forms the backbone of the functionality of any satellite. It allows multiple processors to run simultaneously and data to be shared amongst ...
  • Development of a real-time transient analyser for the SKA 

    Botha, Antheun (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: The extension of the Karoo Array Telescope (KAT), MeerKAT, will be the most sensitive radio telescope in the southern hemisphere until it is superseded by the completion of the Square Kilometre Array ...
  • 3-Axis geomagnetic magnetometer system design using superconducting quantum interference devices 

    Kilian, Anton Theo (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: This work discusses the design of a 3-axis Geomagnetometer SQUID System (GSS), in which HTS SQUIDs are used unshielded. The initial GSS installed at SANSA was fully operable, however the LN2 evaporation ...
  • Real-time Software Hand Pose Recognition using Single View Depth Images 

    Alberts, Stefan Francois (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: The fairly recent introduction of low-cost depth sensors such as Microsoft’s Xbox Kinect has encouraged a large amount of research on the use of depth sensors for many common Computer Vision problems. ...
  • A fountain code forward error correction strategy for SensLAB applications 

    Du Toit, F. J. (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: The discovery of sparse graph codes, used in forward error correction strate- gies, has had an unrivaled impact on Information theory over the past decade. A recent advancement in this field, called ...
  • Model predictive control of AC-to-AC converter voltage regulator 

    Chewele, Youngie Klyv (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: The development of fast and efficient processors, programmable devices and high power semiconductors has led to the increased use of semiconductors directly in the power supply path in order to achieve ...
  • Design of an RF ion thruster 

    Botha, Johannes Rudolf (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: Recent years have seen a decline in the rate of space exploration due to the inefficiency of chemical rockets. Therefore alternative fuel efficient propulsion methods are being sought to enable cost ...
  • A hybrid peer-to-peer middleware plugin for an existing client/server massively multiplayer online game 

    Croucher, Darren Armstrong (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: Massively Multiplayer Online Games are large virtual worlds co-inhabited by players over the Internet. As up to thousands of players can be simultaneously connected to the game, the server and network ...
  • Design of a field-intensified interior permanent magnet synchronous machine for electric vehicle application 

    Prins, Michiel Hendrik Albertus (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: The focus of this thesis is on the optimal design and evaluation of FI-PM machines to be used with a MG transmission drive-train for EV application. The machines presented are optimised using a ...
  • Design of an Underwater Object Detection and Location System using Wide-Beam SONAR 

    Du Pisani, Renaldo Murray (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: This thesis describes the second project relating to the development of a SONAR (SOund Navigation And Ranging) object detection and collision avoidance system for use on an AUV (Autonomous Underwater ...
  • Orbital lifetime predictions of Low Earth Orbit satellites and the effect of a DeOrbitSail 

    Afful, Michael Andoh (Stellenbosch : Stellenbosch University, 2013-12)
    ENGLISH ABSTRACT: Throughout its lifetime in space, a spacecraft is exposed to risk of collision with orbital debris or operational satellites. This risk is especially high within the Low Earth Orbit (LEO) region where ...
  • Study of a wideband sinuous feed for reflector antenna applications 

    Mutonkole, Ngoy (Stellenbosch : Stellenbosch University, 2013-12)
    ENGLISH ABSTRACT: This thesis presents a thorough study of the printed sinuous antenna and its characterisation as a feed for re ector antenna applications. Two di erent techniques are used in this study, namely a ...
  • Fault tolerant flight control of a UAV with asymmetric damage to its primary lifting surface 

    Beeton, Wiaan (Stellenbosch : Stellenbosch University, 2013-12)
    ENGLISH ABSTRACT: In this thesis the design, analysis, implementation, and verification of a fault-tolerant unmanned aerial vehicle (UAV) flight control system which is robust to structural damage causing the natural ...